[1000mp] Yaesu FT1000 Key Clicks

[Bob Main]

Bring out the hammer (to realign everything so it will fit back together)
and the 200W soldering gun!

----- Original Message ----- 
From: "Harry Yingst" <ab2pn@yahoo.com>
To: <1000mp@mailman.qth.net>
Sent: Monday, January 12, 2004 7:23 PM
Subject: [1000mp] Yaesu FT1000 Key Clicks


> I just tested my New FT-1000MP Mark-V Field.
>
> Using 25 MS keying pulses (internal keyer turned all the way up).
>
> The rise time on keying is 3 ms and the fall time is 2 ms.
>
> The ARRL recomends 5ms (each) for the Rise and Fall times.
>
> "Adjusting an exponentially shaped rise and fall time to about 5 ms (a
> value recommended by ARRL) controls key clicks, yet allows a wide range
> of practical keying speeds."
>
> Source: The ARRL Handbook for Radio Amateurs 2002, 79th edition.
>         page 17.45 second paragraph under RF Enevelope Shaping.
>
>
> Looks like I have some work to do.
>
>
>
>
>
> =====
> -
> Harry - AB2PN
>
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